The best replacement for metal roofing is shingles.

The best alternatives to metal roofing are rated as following:
★★★★★  shingles
★★★  shingle roofing
★★  asphalt shingles
★★  asphalt
★  shingle roof
★  asphalt roofing
★  composite shingles
  shingle
  architectural shingles
  standard shingles
  fiberglass shingles
  tile roofing

Your alternative for metal roofing is not listed? Suggest!
Speaking about metal roofing, one probably shouldn't forget about gutters.

Other search terms related to metal roofing and their ratings are:
★★★★★ gutters
You have in mind a companion for metal roofing and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of metal roofing in all years. Click on graph for more.
metal roofing
shingles
shingle roofing